EP0937922A3 - Sealing structure and mounting of piston ring for use in the sealing structure - Google Patents

Sealing structure and mounting of piston ring for use in the sealing structure Download PDF

Info

Publication number
EP0937922A3
EP0937922A3 EP99400045A EP99400045A EP0937922A3 EP 0937922 A3 EP0937922 A3 EP 0937922A3 EP 99400045 A EP99400045 A EP 99400045A EP 99400045 A EP99400045 A EP 99400045A EP 0937922 A3 EP0937922 A3 EP 0937922A3
Authority
EP
European Patent Office
Prior art keywords
sealing structure
piston ring
outer ring
ring
mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99400045A
Other languages
German (de)
French (fr)
Other versions
EP0937922A2 (en
EP0937922B1 (en
Inventor
Teruo Kumai
Yoshihiko Masuda
Michio Okamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
TPR Co Ltd
Original Assignee
Teikoku Piston Ring Co Ltd
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teikoku Piston Ring Co Ltd, Toyota Motor Corp filed Critical Teikoku Piston Ring Co Ltd
Publication of EP0937922A2 publication Critical patent/EP0937922A2/en
Publication of EP0937922A3 publication Critical patent/EP0937922A3/en
Application granted granted Critical
Publication of EP0937922B1 publication Critical patent/EP0937922B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F5/00—Piston rings, e.g. associated with piston crown
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/28—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction of non-metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
    • F16J9/061—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging using metallic coiled or blade springs
    • F16J9/062—Coiled spring along the entire circumference
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49274—Piston ring or piston packing making

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Automatic Assembly (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Abstract

The present invention provides a sealing structure employing a piston ring structural body (10) of a type wherein an outer ring (20) continuously formed of a resinous material is pressed radially outwards by a metal coil expander (40) via a metal inner ring (30) provided with an abutment. The piston ring structural body (10) has a construction wherein the outer ring (20) continuously formed of polyimide is pressed radially outwards by the coil expander (40) via the steel inner ring (30) provided with the abutment. A sliding face (24, 25) of the outer ring, which slides on a cylinder wall (200), is divided by a groove into upper and lower sliding faces, whose respective upper edge portions are provided with chamfers (26, 27).
EP99400045A 1998-02-20 1999-01-08 Sealing structure and mounting of piston ring for use in the sealing structure Expired - Lifetime EP0937922B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP3926498 1998-02-20
JP3926498 1998-02-20
JP15156898 1998-06-01
JP15156898 1998-06-01
JP23894098 1998-08-25
JP23894098A JP3364590B2 (en) 1998-02-20 1998-08-25 How to install the piston ring

Publications (3)

Publication Number Publication Date
EP0937922A2 EP0937922A2 (en) 1999-08-25
EP0937922A3 true EP0937922A3 (en) 2000-03-22
EP0937922B1 EP0937922B1 (en) 2004-01-07

Family

ID=27290091

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99400045A Expired - Lifetime EP0937922B1 (en) 1998-02-20 1999-01-08 Sealing structure and mounting of piston ring for use in the sealing structure

Country Status (6)

Country Link
US (1) US6257590B1 (en)
EP (1) EP0937922B1 (en)
JP (1) JP3364590B2 (en)
KR (1) KR100304203B1 (en)
CN (1) CN1104575C (en)
DE (1) DE69914002T2 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100447455B1 (en) * 2001-07-30 2004-09-07 삼영기계주식회사 Piston for two cycle engine
JP4173353B2 (en) * 2002-11-14 2008-10-29 帝国ピストンリング株式会社 Combination piston ring
US20040222594A1 (en) * 2003-05-08 2004-11-11 Dresser-Rand Company Oil film sealing device for a rotating shaft
DE102007027815A1 (en) * 2007-06-13 2008-12-24 Federal-Mogul Burscheid Gmbh Oil ring
DE102009009744A1 (en) * 2009-02-19 2010-09-02 Federal-Mogul Burscheid Gmbh Compression piston ring
US8701620B2 (en) * 2009-12-09 2014-04-22 EcoMotors, International Seal assembly for an internal combustion engine
WO2014156820A1 (en) * 2013-03-27 2014-10-02 株式会社リケン Seal device
JP6366971B2 (en) * 2014-03-25 2018-08-01 株式会社リケン Ring mounting jig, ring mounting method, and shaft manufacturing method
EP3176407B1 (en) 2014-11-14 2019-05-15 IHI Corporation Jet engine
US10041593B2 (en) * 2016-06-13 2018-08-07 Hamilton Sundstrand Corporation Piston ring assembly
CN106481480B (en) * 2016-11-03 2019-04-30 广州凯耀资产管理有限公司 Piston ring suitable for automobile engine
CN109372651B (en) * 2018-09-25 2021-06-08 安庆帝伯格茨活塞环有限公司 Diamond-like coating piston ring and preparation method thereof
CN109291008A (en) * 2018-11-29 2019-02-01 安庆海威尔机械有限公司 A kind of assembly device for piston ring and the piston that Assembly stability is good
CN109676344B (en) * 2019-02-18 2023-08-08 上海地铁维护保障有限公司 Method for replacing and operating inertia wheel of hydraulic switch machine and special tool thereof
KR102222534B1 (en) * 2020-09-16 2021-03-03 한전케이피에스 주식회사 Device and Method for Assembling of Air Compressor Piston Rider Ring
JP2022050742A (en) * 2020-09-18 2022-03-31 トヨタ自動車株式会社 Plunger tip and sliding method
JP2023161843A (en) * 2022-04-26 2023-11-08 トヨタ自動車株式会社 Ring attachment fixture and ring attachment method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806137A (en) * 1970-03-04 1974-04-23 Ramsey Corp Resilient plastic piston ring
GB1368597A (en) * 1972-06-22 1974-10-02 Strazdins A Piston sealing assembly
DE3325015C1 (en) * 1983-07-11 1984-08-23 Goetze Ag, 5093 Burscheid Sealing ring
EP0351549A1 (en) * 1988-06-20 1990-01-24 Peter J. Balsells Spring loaded guide ring
EP0396775A1 (en) * 1988-10-31 1990-11-14 Kabushiki Kaisha Toshiba Sealing apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57148036A (en) 1981-03-07 1982-09-13 Nippon Soken Inc Automatically stopping device of warm-up operation for internal combustion engine
CN1068388C (en) * 1994-07-30 2001-07-11 株式会社理研 Sliding material and method for preparing thereof
JP3244396B2 (en) 1995-02-20 2002-01-07 トヨタ自動車株式会社 piston ring
JPH09280373A (en) 1996-04-17 1997-10-28 Toyota Motor Corp Piston ring
US5988649A (en) * 1997-05-01 1999-11-23 E. I. Du Pont De Nemours And Company Fractured seal ring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806137A (en) * 1970-03-04 1974-04-23 Ramsey Corp Resilient plastic piston ring
GB1368597A (en) * 1972-06-22 1974-10-02 Strazdins A Piston sealing assembly
DE3325015C1 (en) * 1983-07-11 1984-08-23 Goetze Ag, 5093 Burscheid Sealing ring
EP0351549A1 (en) * 1988-06-20 1990-01-24 Peter J. Balsells Spring loaded guide ring
EP0396775A1 (en) * 1988-10-31 1990-11-14 Kabushiki Kaisha Toshiba Sealing apparatus

Also Published As

Publication number Publication date
KR19990072778A (en) 1999-09-27
US6257590B1 (en) 2001-07-10
JP3364590B2 (en) 2003-01-08
EP0937922A2 (en) 1999-08-25
DE69914002D1 (en) 2004-02-12
CN1104575C (en) 2003-04-02
CN1234479A (en) 1999-11-10
DE69914002T2 (en) 2004-12-09
EP0937922B1 (en) 2004-01-07
JP2000055199A (en) 2000-02-22
KR100304203B1 (en) 2001-09-13

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